javascript – window.print()CSS未在打印预览中加载
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内容图文
我需要提供打印部分网页的选项.这是使用javascript window.print()实现的回答：Bill Paetzke.
弹出窗口打开(这包含CSS样式),打印对话框也会打开.但CSS样式并没有出现在印刷品中.
试过@media = print,但这也行不通.
CSS样式主要由背景颜色组成.我得到的一个选项是用1px * 1px的图像替换背景颜色并重复它.还有其他方法吗？
浏览器：IE7
码：
<html>
<head>
<style type="text/css" media="print,screen">
.hideMe{
display:block;
}
.PrintClass {
display:block;
}
.NoPrintClass{
display:block;
}
</style>
<script type="text/javascript"
src="http://jqueryjs.googlecode.com/files/jquery-1.3.1.min.js"> </script>
<script type="text/javascript">
function PrintElem(elem)
{
Popup($('<div/>').append($(elem).clone()).html());
}
function Popup(data)
{
var mywindow;
mywindow = window.open('', 'mydiv','height=400,width=600,scrollbars=yes','');
mywindow.document.write('<html><head><title>my div</title>');
mywindow.document.write('<style type="text/css" media="print,screen">.hideMe{display:none;}.NoPrintClass{display:none;}</style>');
mywindow.document.write('</head><body>');
mywindow.document.write('drop down selected value in parent: '+mywindow.opener.document.getElementById('testSelect').options[mywindow.opener.document.getElementById('testSelect').selectedIndex].text+'<br/>');
mywindow.document.write('contentStarts<br/>');
mywindow.document.write(' using jquery: '+data);
mywindow.document.write(' using javascript: '+mywindow.opener.document.getElementById('mydiv').innerHTML);
mywindow.document.write('<br/>contentEnds');
mywindow.document.write('<br/>');
mywindow.document.write('</body></html>');
mywindow.document.focus();
mywindow.document.close();
mywindow.print();
return true;
}
</script>
</head>
<body>
This is not be printed<br/>
<div id="mydiv">This content is to be printed<br/>
<div class="hideMe"><select id="testSelect">
<option>1</option>
<option>2</option>
<option>3</option>
</select>
</div>
<br/>
This will also be printed
<br/>print bgcolor
<div style="background:red;" class="PrintClass">print</div><br/>
<div style="background:green;" class="PrintClass">print</div><br/>
<div style="background:red;" class="NoPrintClass">not to print</div><br/>
<div style="background:green;" class="NoPrintClass">not to print</div><br/>
<div style="background:red;" class="PrintClass">print</div><br/>
<div style="background:green;" class="PrintClass">print</div><br/>
<br/> print image
<div style="background-image:url('red.png');background-repeat:repeat;" class="PrintClass">print</div><br/>
<div style="background-image:url('green.png');background-repeat:repeat;" class="PrintClass">print</div><br/>
<div style="background-image:url('red.png');background-repeat:repeat;" class="NoPrintClass">not to print</div><br/>
<div style="background-image:url('green.png');background-repeat:repeat;" class="NoPrintClass">not to print</div><br/>
<div style="background-image:url('red.png');background-repeat:repeat;" class="PrintClass">print</div><br/>
<div style="background-image:url('green.png');background-repeat:repeat;" class="PrintClass">print</div><br/>
<text>some text
<div style="position:relative;">
<img src="green.png" width="100px" height="100px" value="abcd">dfads
<div style="postion:absolute">wpeoriu</div>
</div>
</img>
</text>
</div>
<div>This will not be printed.</div>
<br/>
<div id="anotherdiv">Nor will this.</div>
<input type="button" value="Print Div" onclick="PrintElem('mydiv')" />
</body>
</html>
解决方法:
因为您使用html编写文档而没有任何样式ID
这意味着它只是在没有div的情况下编写div的内容.
用它来得到整个div
$('<div/>').append($(elem).clone()).html();
见这fiddle
HTML
<div id="mydiv">
This will be printed. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque a quam at nibh adipiscing interdum. Nulla vitae accumsan ante.
</div>
<div>
This will not be printed.
</div>
<div id="anotherdiv">
Nor will this.
</div>
<input type="button" value="Print Div" onclick="PrintElem('#mydiv')" />
JavaScript的
function PrintElem(elem)
{
Popup($('<div/>').append($(elem).clone()).html());
}
function Popup(data)
{
var mywindow = window.open('', 'my div', 'height=400,width=600');
mywindow.document.write('<html><head><title>my div</title>');
mywindow.document.write('<link rel="stylesheet" href="http://www.dynamicdrive.com/ddincludes/mainstyle.css" type="text/css" />');
mywindow.document.write('</head><body >');
mywindow.document.write(data);
mywindow.document.write('</body></html>');
mywindow.print();
// mywindow.close();
return true;
}
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